Characters within fleece Lebanese star (5)
I believe the answer is:
celeb
'star' is the definition.
(I've seen this before)
'characters within fleece lebanese' is the wordplay.
'characters' indicates a hidden word (some letters or characters from the clue).
'CELEB' is hidden within 'within fleece lebanese'.
(Other definitions for celeb that I've seen before include "Famous person (abbr)" , "Famous person (sl.)" , "Famous person (colloq.)" , "Household name" , "Prominent figure" .)